Normal delivery<:  It is the delivery of the baby from the uterus out through vagina.  Entire process of normal delivery takes an average of 13 hours in women giving birth for the first time, 8 hours in women who have given birth before, though the exact duration varies from woman to woman.

She was explained about three stages of labour, Contractions, pushing, recovery time after normal delivery etc.  For a normal low risk pregnancy, normal delivery is the safest option for women and baby.

For further details http://vijayamhospital.com/normal-delivery/